BlackStar D40SK42 - Double Strand 40 Pitch QD Sprocket - 42 Tooth Double a 40° sheave angle and

a 40° sheave angle and a 450 in (Outside Circumference)

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BlackStar D40SK42 - Double Strand 40 Pitch QD Sprocket - 42 Tooth Double a 40° sheave angle andThe BlackStar D40SK42 is a 40 pitch double strand QD roller chain sprocket with 42 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Type SK Bushing (sold separately). Specifications Part Number D40SK42 Chain Pitch 40 Number of Teeth 42 Maximum Bore 2 5 8" Bore Type QD Hub Style QD Bushing Required QD Type SK Bushing Strand Count Double Material